do not drink alcohol in excess with cialis. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or if you have any allergic reactions such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use and a 30-tablet free trial. >> 20 minutes past the hour, your fox news minute. in just the past 60 minutes, the number of reports spiked of lawmakers' offices sent potentially deadly letters. fox news confirming authorities have been given an all-clear at two senate office buildings where suspicious letters were sent to members of the nation's congress. removed a letter from the hart senate building and envelope from the third and fourth floor of hart and russell office buildings as well. the areas are open again,